Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of getting a good idea when it's the best time to plant four o' clock is to use the USDA zone info for Springdale.

Planting Calendar for Four O' Clock

Frost tolerance for four o' clock:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Since four o' clock do not do well in cold weather you really should wait until after the last frost has passed before you can plant them.

The earliest that you can plant four o' clock in Springdale is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant four o' clock and expect a good harvest is probably August. You probably don't want to wait any later than that or else your four o' clock may not have a chance to grow to maturity. Starting your four o' clock indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Springdale. It might get as low as -5°F during the coldest months of winter.

Always keep in mind that USDA zone info for Springdale may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Springdale last frost occurs after April 15 so make sure that you are ready to cover your four o' clock if you have a surprise late frost.

USDA Zone Info for Springdale

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Springdale

You may be interested in your other planting guides for Springdale.